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发明名称
Multi-channel communication systems
摘要
申请公布号
US2708220(A)
申请公布日期
1955.05.10
申请号
US19500190533
申请日期
1950.10.17
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
LEVY MAURICE MOISE
分类号
H03K17/54;H04J3/00;H04Q11/04
主分类号
H03K17/54
代理机构
代理人
主权项
地址
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